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Submission #713204

# Submission time Handle Problem Language Result Execution time Memory
713204 2023-03-21T09:57:43 Z lam Gap (APIO16_gap) C++14
100 / 100
 68 ms 1864 KB 
#include <bits/stdc++.h>
#include "gap.h"
using namespace std;
#define ll long long
const int maxn = 1e5 + 10;
int n;
ll a[maxn];
ll sub1()
{
    int l=1; int r=n;
    ll s = 0; ll t = 1e18;
    while (l<=r)
    {
        ll *mx, *mn;
        ll mmax, mmin;
        mx = &mmax; mn = &mmin;
//        cerr<<l<<' '<<r<<' '<<s<<' '<<t<<endl;
        MinMax(s,t,mn,mx);
        s = (mmin)+1; t = (mmax)-1;
        a[l++]=mmin;
        a[r--]=mmax;
    }
    ll ans = 0;
    for (int i=2; i<=n; i++)
    {

        if (ans<a[i]-a[i-1]) ans=a[i]-a[i-1];
    }
    return ans;
}

set<ll> b;


ll sub2()
{
    ll s, t, mmin, mmax;
    ll *mn, *mx;
    mn = &mmin; mx = &mmax;
    s=0; t=1e18;
    MinMax(s,t,mn,mx);
    ll l,r;
    l=mmin; r=mmax;
    ll L = mmax - mmin;
    ll dist = L / (n-1);
    ll ans = dist;
    ll last = l;
    ll last_max = -1;
//    cerr<<dist<<endl;
    for (int i=1; i<n; i++)
    {
        ll next = min(r, last + dist);
        s = last; t = next;
        MinMax(s,t,mn,mx);
        if (mmin != -1)
        {

//        cerr<<last_max<<' '<<mmin<<' '<<mmax<<endl;
        if (last_max != -1) ans = max(ans, mmin - last_max);
        last_max = mmax;
        }
        last = next+1;
        if (last > r) break;
    }
    return ans;
}

ll findGap(int T, int N)
{
    n=N;
//    cerr<<":>"<<endl;
    if (T==1) return sub1();
    else return sub2();
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 2 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 2 ms 336 KB Output is correct
14 Correct 2 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 12 ms 688 KB Output is correct
17 Correct 10 ms 692 KB Output is correct
18 Correct 12 ms 688 KB Output is correct
19 Correct 10 ms 660 KB Output is correct
20 Correct 8 ms 624 KB Output is correct
21 Correct 54 ms 1796 KB Output is correct
22 Correct 41 ms 1788 KB Output is correct
23 Correct 38 ms 1800 KB Output is correct
24 Correct 41 ms 1760 KB Output is correct
25 Correct 36 ms 1800 KB Output is correct
26 Correct 38 ms 1820 KB Output is correct
27 Correct 38 ms 1752 KB Output is correct
28 Correct 38 ms 1852 KB Output is correct
29 Correct 37 ms 1864 KB Output is correct
30 Correct 30 ms 1776 KB Output is correct
31 Correct 0 ms 208 KB Output is correct
32 Correct 0 ms 208 KB Output is correct

Subtask #2
70.0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 0 ms 208 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 13 ms 528 KB Output is correct
17 Correct 14 ms 432 KB Output is correct
18 Correct 13 ms 528 KB Output is correct
19 Correct 13 ms 500 KB Output is correct
20 Correct 8 ms 492 KB Output is correct
21 Correct 68 ms 1088 KB Output is correct
22 Correct 61 ms 1104 KB Output is correct
23 Correct 55 ms 1088 KB Output is correct
24 Correct 61 ms 1084 KB Output is correct
25 Correct 55 ms 976 KB Output is correct
26 Correct 58 ms 1088 KB Output is correct
27 Correct 56 ms 1088 KB Output is correct
28 Correct 54 ms 1064 KB Output is correct
29 Correct 62 ms 988 KB Output is correct
30 Correct 35 ms 1080 KB Output is correct
31 Correct 0 ms 208 KB Output is correct
32 Correct 0 ms 208 KB Output is correct